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Vlad [161]
2 years ago
11

NEED HELP ASAP!! please explain how to get the answer

Mathematics
1 answer:
zvonat [6]2 years ago
3 0
I can’t see the pic just txt me the question ex: 5 times 4
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The surface area of a rectangular prism is 32 square inches. The volume of the prism is 12 cubic inches. The sum of all edge len
Goryan [66]

Answer:

36 cubic inches.

Step-by-step explanation:

Let the length, width and height of the rectangular prism are a, b, c respectively.

So, surface area, 2(ab + bc + ca) = 32 {Given} ............ (1)

Volume, abc = 12 {Given} ............ (2)

And, the sum of all the edges, 4(a + b + c) = 28 {Given} .......... (3)

Now, if the length width and height are increased by 1 inch, then the volume of the prism will be = (a + 1)(b + 1)(c + 1)

= abc + (ab + bc + ca) + (a + b + c) + 1

= 12 + 16 + 7 + 1 {From equations (1), (2) and (3)}

= 36 cubic inches. (Answer)

3 0
3 years ago
Please help with the setup of the problem, thank you.
Mashcka [7]

Answer:

Step-by-step explanation:

I think the answer is 7;6

4 0
3 years ago
Seven times the smaller of two numbers added with two times the larger number is 635. While seven times the larger number decrea
Mandarinka [93]

Answer:

Step-by-step explanation:

x = smaller number, y = bigger number

7x + 2y = 635

7y - 2x = 871....rearrange...-2x + 7y = 871

7x + 2y = 635....multiply by 2

-2x + 7y = 871...multiply by 7

----------------------------------

14x + 4y = 1270 (result of multiplying by 2)

-14x + 49y = 6097 (result of multiplying by 7)

--------------------------------add

53y = 7367

y = 7367/53

y = 139

7x + 2y = 635

7x + 2(139) = 635

7x + 278 = 635

7x = 635 - 278

7x = 357

x = 357/7

x = 51

solution : x = 51 and y = 139 or (51,139)

3 0
3 years ago
The deminsions of a rectangler prism are 5cm, 6cm, and Xcm. Its surface area is 148 cm2. Find the other deminsion.​
Zina [86]

Answer:

<em>The other dimension is x=4 cm</em>

Step-by-step explanation:

<u>Surface Area of a Rectangular Prism</u>

Given a rectangular prism of dimension x, y, and z. Its surface area is calculated with the formula:

A = 2(xy + yz + xz)

We are given the dimensions y=5 cm and z=6 cm. We also have A=148 cm2. Substituting:

148 = 2(x*5 + 5*6 + x*6)

Dividing by 2:

74 = x*5 + 5*6 + x*6

Operating:

74 = 5x + 30 + 6x

Simplifying:

74 = 11x + 30

Subtracting 30:

44 = 11x

Dividing by 11:

x = 4 cm

The other dimension is x=4 cm

8 0
2 years ago
Taharka, Lamari and Keyon are sharing the cost of a football. Taharka will pay 0.15 of the cost. Lamari
Aleksandr [31]

Answer:

the answer should be 3.85 that they pay each

Step-by-step explanation:

Because if you add 12.15 (Taharka + Lamari) and 3.85, it equals 16. The 3.85 comes from 16.00 - 12.15

5 0
2 years ago
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